Looking at nationwide statistics can be misleading, often you'll find that while on average you get a figure like that, almost all of it is centred on a few large cities with anything outside those cities consisting of scattered small villages a few hundred people living in them.

Looking at land use in places like can be surprising - e.g. a great er percentage of the UK land area is peat bogs than is built on:

https://www.sheffield.ac.uk/news/nr/land-cover-atlas-uk-1.74...